Robert Cortes is a notable figure in the realm of physical media, particularly celebrated for his contributions to the avant-garde film scene. His work on "Cinématon XXXI" (1984), part of the iconic series created by Gérard Courant, has garnered a cult following among collectors. This film stands out due to its unique format, capturing moments of pure expression that are both challenging and captivating, making it a must-have for enthusiasts of experimental cinema. Collectors are particularly drawn to Cortes’ work for its rarity and the limited releases associated with it. The distinctiveness of "Cinématon XXXI," along with its status within the larger Cinématon series, ensures that it holds a special place in any serious collection. As physical media continues to evolve, Cortes’ contributions remind collectors of the rich history of film and the importance of preserving these unconventional works for future generations.